1.

Sum of the present age of ram and Raju is 31. 3 years ago rams age was 4 times the age of Raju find their preset age

Answer»

X+y =31...........(1)



x-3= 4 (y)
x+-4y= 3.........(2)
SOLVE equation 1&2 you will GET x and y i.e present age of ram and RAJU respectively



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